Definitions

1. noun

A person who is second in rank or authority, especially in a university or academy.

“The adjoint professor was responsible for teaching the graduate course.”

2. noun

A mathematical concept representing a linear operator on a vector space, which is an extension of the concept of a matrix.

“The professor explained the concept of an adjoint operator to the students.”

3. adjective

Secondary or subordinate in rank or authority.

“The adjoint role in the project was critical to its success.”